RIO Elite Tarpon Fly LineThe Very Best Tarpon Line On The Market With Low Stretch, Ultra Slick Performance RIOs Elite Tarpon lines feature short, powerful front tapers to easily cast large flies, and a long back taper for stable casts at range, quick pickups, and 2nd shot casts to moving fish. Each line is built on RIOs low memory DirectCore that is extremely easy to stretch and lies perfectly straight on the water, yet retains the stiffness needed to cast in hot conditions.